La fuerza y el movimiento (Forces and Motion)

Kids often play with magnets, yet they don't learn how these playthings work for many years. Practical knowledge from their play can help them learn more about magnetism, and so can this book. Specially written for those with reading challenges or readers looking for a review, the main text covers important vocabulary, magnetic fields, and a discussion of why metals and magnets come together. Diagrams and succinct fact boxes offer additional ways to learn each concept and explain some ideas in greater detail.

The US president is the face of the United States to the rest of the world. However, he or she doesn’t have unlimited power within the country. The president has certain powers given by the Constitution, including the ability to make treaties, appoint some important government officials, and veto laws. Readers learn the many duties of the president in simple, clear language appropriate for both younger readers and older readers looking for a succinct review of the topic. Fact boxes supplement the main content with important details about checks and balances, amendments, and more that affect...

In English and Spanish, teach children how to avoid potential dangers, ask for help, follow directions, use things carefully, and plan ahead. The world can seem like a perilous place. But even very young children can learn basic skills for staying safe in ordinary situations and preparing for emergencies. Without scaring kids (or alarming adults), this English-Spanish bilingual book about safety for kids teaches little ones how to avoid potentially dangerous situations, ask for help, follow directions, use things carefully, and plan ahead. Includes questions, activities, and safety games that ...

Take a look inside this book and you'll discover four delightful jigsaws specially designed for tiny hands, with each jigsaw piece that has touchy-feely textures that will help to develop sensory awareness and the concept of matching.

"Sangre y arena" (1908) es una novela de Vicente Blasco Ibáñez que se adentra en algunos de los elementos costumbristas más característicos de la idiosincrasia andaluza (y, por extensión, también española), como lo son sin duda las figuras del torero y del bandolero, dispuestas sobre un fondo de supersticiones y religión popular.

El 13 de mayo de 1994, casualmente cuando la República de Sudáfrica festejaba la histórica victoria de Nelson Mandela en las elecciones presidenciales, Hernán Luis Biasotti arribó al puerto de Ciudad del Cabo. Realizó el viaje navegando completamente solo a través del Atlántico Sur desde Buenos Aires, sin escalas y sin apoyo ni ayuda externa de ningún tipo. El Eos II, su velero de ocho metros de eslora, carecía voluntariamente de motor auxiliar, piloto automático, medios de comunicación, instrumental satelital y otras facilidades que ya eran de uso habitual. Sin pretender emular a ...